What cause no chage when engine is runing
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Answer:
Car Running Rich: How To Fix
Check The Air Duct's Flap. The flap inside the air duct is an actuator that serves as choke. ...
Vacuum Lines And Hoses. Loosely connected or leaked vacuum lines and hoses can cause a vehicle to run rich. ...
Clean The Mass Airflow Sensor. ...
The Oxygen Sensor. ...
Change the spark plugs.
Explanation:
hope u understand
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Answer:
1. poor maintenance 2. lubrication problems
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